.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.header .status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.header-auth {
    background: #fef3c7;
    color: #92400e;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.auth-warning {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-warning-icon {
    color: #f59e0b;
}

/* 通用按钮样式，如果App.tsx中没有，需要在这里定义 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: #0284c7;
    color: white;
}

.btn-primary:hover {
    background: #0369a1;
}
